package com.example.springboot.mqtt.serivice.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.springboot.mqtt.entity.ProductClass;
import com.example.springboot.mqtt.mapper.ProductClassMapper;
import com.example.springboot.mqtt.serivice.IProductClassService;
import org.springframework.stereotype.Service;

@Service
public class ProductClassServiceImpl extends ServiceImpl<ProductClassMapper, ProductClass> implements IProductClassService {
}
